P0574: Cruise Control System - Vehicle Speed Too High

What does P0574 mean?

P0574 is a diagnostic trouble code indicating "Cruise Control System - Vehicle Speed Too High". This code relates to your vehicle's cruise control and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.

Symptoms you may notice

• Check engine light (MIL) illuminated on dashboard
• Possible issues with cruise control operation
• Vehicle may enter reduced power mode (limp mode)

Common causes

• Faulty cruise control component
• Wiring or connector issue in the related circuit
• Failed sensor providing incorrect readings
• Software/calibration issue requiring ECU update
• Related component causing secondary fault

What should you do?

This code sits in a driver assistance system such as parking sensors, cruise control, tyre pressure monitoring or a camera. The car drives normally, but the assistance may be off or, worse, half working. Do not rely on it until it has been diagnosed.